26041503423781 has 2 divisors, whose sum is σ = 26041503423782. Its totient is φ = 26041503423780.

The previous prime is 26041503423721. The next prime is 26041503423791. The reversal of 26041503423781 is 18732430514062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15931202114881 + 10110301308900 = 3991391^2 + 3179670^2 .

It is a cyclic number.

It is not a de Polignac number, because 26041503423781 - 2⁴³ = 17245410401573 is a prime.

It is a super-2 number, since 2×26041503423781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26041503423721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13020751711890 + 13020751711891.

It is an arithmetic number, because the mean of its divisors is an integer number (13020751711891).

Almost surely, 2^{26041503423781} is an apocalyptic number.

It is an amenable number.

26041503423781 is a deficient number, since it is larger than the sum of its proper divisors (1).

26041503423781 is an equidigital number, since it uses as much as digits as its factorization.

26041503423781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 26041503423781 in words is "twenty-six trillion, forty-one billion, five hundred three million, four hundred twenty-three thousand, seven hundred eighty-one".